The control of posture in newly standing infants is task dependent

被引：23
作者：
Claxton, Laura J. [1 ]
Melzer, Dawn K. [2 ]
Ryu, Joong Hyun [1 ]
Haddad, Jeffrey M. [1 ,3 ]
机构：
[1] Purdue Univ, Dept Hlth & Kinesiol, W Lafayette, IN 47907 USA
[2] Univ Cattolica Sacro Cuore, Dept Psychol, Fairfield, CT 06825 USA
[3] Purdue Univ, Ctr Aging & Life Course, W Lafayette, IN 47907 USA
来源：
JOURNAL OF EXPERIMENTAL CHILD PSYCHOLOGY | 2012年 / 113卷 / 01期
关键词：
Postural development; Manual control; Postural control; Independent stance; Infancy; Motor milestones; EYE-HAND COORDINATION; YOUNG-CHILDREN; SWAY; INFORMATION; DEMANDS; SYSTEMS; WALKING; BALANCE;
D O I：
10.1016/j.jecp.2012.05.002
中图分类号：
B844 [发展心理学（人类心理学）];
学科分类号：
040202 ;
摘要：
The postural sway patterns of newly standing infants were compared under two conditions: standing while holding a toy and standing while not holding a toy. Infants exhibited a lower magnitude of postural sway and more complex sway patterns when holding the toy. These changes suggest that infants adapt postural sway in a manner that facilitates visually fixating on and stabilizing the toy in their hand. When simply standing, infants exhibited postural sway patterns that appeared to be more exploratory in nature. Exploratory sway patterns may allow infants to learn the affordances of their new standing posture. These results demonstrate that newly standing infants are capable of task-dependent postural control. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：159 / 165
页数：7
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